<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <style>
    * {
      margin: 0;
      padding: 0;
    }
    .bigbox {
      background-color: rgb(15, 16, 18);
      position: relative;
      width: 100vw;
      height: 100vh;
      margin: 0;
      padding: 0;
    }
    .bigbox .bigloading {
      width: 300px;
      position: absolute;
      top: 40%;
      left: 50%;
      transform: translate(-50%,-50%);
    
    }
  </style>
  <body>
    <div class="bigbox">
      <img class="bigloading" src="/img/logo.gif" alt="" />
    </div>
  </body>
</html>
